LENS & FORMS OF LENS EXPLAINED IN ENGLISH. скачать в хорошем качестве

LENS & FORMS OF LENS EXPLAINED IN ENGLISH.

LENS & FORMS OF LENS EXPLAINED IN ENGLISH. #lens #formsoflens #typesoflens #sphericallens #cylindricallens #spherocylindricallens #formsoflens #flatlens #curvedlens #convexlens #concavelens #planoconcavelens #planoconvexlens #biconcavelens #biconvexlens #equiconvexlens #equiconcavelens #meniscuslens #concavemeniscuslens #convexmeniscuslens #periscopiclens #formsoflensneed #optometry #optometrystudents #optomvideo #optomaz #optometryenglish #optometry #optometrist In this video, I covered the following topics. 1.What is lens ? 2.Types of lens. 3.Spherical lens. 4.Cylindrical lens. 5.Spherocylindricallens. 6.Forms of lens. 7.Flat lens. 8.Curved lens. 9.Convex lens. 10.Concave lens. 11.Types of concave and convex lens. 12.Biconcave and biconvex lens. 13.Equiconvex and Equiconcave lens. 14.Meniscus lens. 15.Meniscus convex and Meniscus concave lens. 16.Periscopic lens. 17.What is the need of forms of lens? A lens is a transparent medium that allows refraction in which any one of the surface is curved.The total power of lens is obtained by combining different types of lens surface,this is called forms of lens. 👉Subscribe our channel OPTOM A-Z for regular Optometry updates. 👉 Follow OPTOM A-Z page on Instagram - https://instagram.com/optom_a_z?utm_m... 👉Follow OPTOM A-Z Page on Twitter- https://twitter.com/optom_az?t=mw3tG9...